| Acronym | Meaning |
| BP | Barber Pole |
| FT&C | Formal Training And Certification |
| MEAR | Maintenance Engineering Analysis Request |
| WARN | Warning |
| LT | Light |
| SCL | Specification Change Log |
| HVSF | Honeywelf Verification Simulation Facility |
| CIS | Communications Interface System |
| PDU | Pressure Distribution Unit |
| PR | PositionRecord |